bbb bbd bbe bbi bbo bdb bdd bde bdi bdo bdz be- beb bed bee bei beo bez bi- bib bid bie bii bio biz bob bod boe boi boo boz bzd bze bzo bzz dbb dbd dbe dbi dbo dbz ddb ddd dde ddi ddo ddz de- deb ded dee dei deo dez di- dib did die dii dio diz dob dod doe doi doo doz dzb dzd dze dzi dzo ebb ebd ebe ebi ebo ed- edb edd ede edi edo eeb eed eee eeo eib eid eie eii eio eo- eob eod eoe eoi eoo eze ezo ezz i-d ibb ibd ibe ibi ibo ibz idb idd ide idi ido ie- ied iee iei iib iid iie iii iio io- iob iod ioe ioi ioo ize izi izo izz o-i ob- obb obd obe obi obo odb odd ode odi odo oeb oed oee oei oeo oib oid oie oii oio oiz oo- oob ood ooi ooo oze ozo ozz zbb zeb zed zee zeo zez zib zid zie zio ziz zo- zob zod zoe zoi zoo zzz